“The Book of Mormon” is set to return to Denver October 2013, said the co-creators of the Tony Award-amassing musical about two young Mormons sent on a mission to Africa. Trey Parker and Matt Stone — both Colorado natives — were standing in the lobby of the Ellie Calukins Opera House as music wafted from a rehearsal of the show.Next week, Denver launches the musical’s first national tour.

In January, tickets sold out in record time for the show’s brief engagement at the Ellie Caulkins Opera House (Aug. 14-Sept. 2).